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feat: add simple operation handlers

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This commit is contained in:
Joachim Van Herwegen
2020-06-23 10:18:46 +02:00
parent 12fd00e3b8
commit fe8749390c
6 changed files with 147 additions and 0 deletions
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24
test/unit/ldp/operations/SimpleDeleteOperationHandler.test.ts Normal file
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import { Operation } from '../../../../src/ldp/operations/Operation';
import { ResourceStore } from '../../../../src/storage/ResourceStore';
import { SimpleDeleteOperationHandler } from '../../../../src/ldp/operations/SimpleDeleteOperationHandler';
import { UnsupportedHttpError } from '../../../../src/util/errors/UnsupportedHttpError';
describe('A SimpleDeleteOperationHandler', (): void => {
const store = {} as unknown as ResourceStore;
const handler = new SimpleDeleteOperationHandler(store);
beforeEach(async(): Promise<void> => {
// eslint-disable-next-line @typescript-eslint/no-empty-function
store.deleteResource = jest.fn(async(): Promise<void> => {});
});
it('only supports GET operations.', async(): Promise<void> => {
await expect(handler.canHandle({ method: 'DELETE' } as Operation)).resolves.toBeUndefined();
await expect(handler.canHandle({ method: 'GET' } as Operation)).rejects.toThrow(UnsupportedHttpError);
});
it('deletes the resource from the store and returns its identifier.', async(): Promise<void> => {
await expect(handler.handle({ target: { path: 'url' }} as Operation)).resolves.toEqual({ identifier: { path: 'url' }});
expect(store.deleteResource).toHaveBeenCalledTimes(1);
expect(store.deleteResource).toHaveBeenLastCalledWith({ path: 'url' });
});
});

23
test/unit/ldp/operations/SimpleGetOperationHandler.test.ts Normal file
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import { Operation } from '../../../../src/ldp/operations/Operation';
import { Representation } from '../../../../src/ldp/representation/Representation';
import { ResourceStore } from '../../../../src/storage/ResourceStore';
import { SimpleGetOperationHandler } from '../../../../src/ldp/operations/SimpleGetOperationHandler';
import { UnsupportedHttpError } from '../../../../src/util/errors/UnsupportedHttpError';
describe('A SimpleGetOperationHandler', (): void => {
const store = {
getRepresentation: async(): Promise<Representation> => ({ dataType: 'quad' } as Representation),
} as unknown as ResourceStore;
const handler = new SimpleGetOperationHandler(store);
it('only supports GET operations.', async(): Promise<void> => {
await expect(handler.canHandle({ method: 'GET' } as Operation)).resolves.toBeUndefined();
await expect(handler.canHandle({ method: 'POST' } as Operation)).rejects.toThrow(UnsupportedHttpError);
});
it('returns the representation from the store with the input identifier.', async(): Promise<void> => {
await expect(handler.handle({ target: { path: 'url' }} as Operation)).resolves.toEqual(
{ identifier: { path: 'url' }, body: { dataType: 'quad' }},
);
});
});

22
test/unit/ldp/operations/SimplePostOperationHandler.test.ts Normal file
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import { Operation } from '../../../../src/ldp/operations/Operation';
import { ResourceIdentifier } from '../../../../src/ldp/representation/ResourceIdentifier';
import { ResourceStore } from '../../../../src/storage/ResourceStore';
import { SimplePostOperationHandler } from '../../../../src/ldp/operations/SimplePostOperationHandler';
import { UnsupportedHttpError } from '../../../../src/util/errors/UnsupportedHttpError';
describe('A SimplePostOperationHandler', (): void => {
const store = {
addResource: async(): Promise<ResourceIdentifier> => ({ path: 'newPath' } as ResourceIdentifier),
} as unknown as ResourceStore;
const handler = new SimplePostOperationHandler(store);
it('only supports POST operations with a body.', async(): Promise<void> => {
await expect(handler.canHandle({ method: 'POST', body: { dataType: 'test' }} as Operation)).resolves.toBeUndefined();
await expect(handler.canHandle({ method: 'GET', body: { dataType: 'test' }} as Operation)).rejects.toThrow(UnsupportedHttpError);
await expect(handler.canHandle({ method: 'POST' } as Operation)).rejects.toThrow(UnsupportedHttpError);
});
it('adds the given representation to the store and returns the new identifier.', async(): Promise<void> => {
await expect(handler.handle({ method: 'POST', body: { dataType: 'test' }} as Operation)).resolves.toEqual({ identifier: { path: 'newPath' }});
});
});